\documentclass{WHU-Recommendation-Letter}


\begin{document}

% 推荐信老师个人信息
\begin{info}
  Professor A Handsome Guy \\
  School of Mathematics and Statistics \\
  Wuhan University, 430072 Wuhan, China \\
  URL: \url{http://foo.whu.edu.cn} \\
  Email: \email{bar@whu.edu.cn}  \\
\end{info}



% 推荐信标题
\lettertitle{Recommendation}

% 正文
To whom it may concern,

...

Here I give xxx my strongest recommendation, and I would be more appreciated if you give him your honorable consideration.


Sincerely,



% 签名落款
\begin{signature}[direction = right]
  A Handsome Guy \\
  \includegraphics[width = 2cm]{example-image} \\
  Professor, Wuhan University  \\
  2022.5.4
\end{signature}

\end{document}